1201320310 has 16 divisors (see below), whose sum is σ = 2164067136. Its totient is φ = 480152448.

The previous prime is 1201320301. The next prime is 1201320319. The reversal of 1201320310 is 130231021.

It is an interprime number because it is at equal distance from previous prime (1201320301) and next prime (1201320319).

It is a super-2 number, since 2×1201320310² = 2886340974436992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201320319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33342 + ... + 59281.

It is an arithmetic number, because the mean of its divisors is an integer number (135254196).

Almost surely, 2^1201320310 is an apocalyptic number.

1201320310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201320310 is a deficient number, since it is larger than the sum of its proper divisors (962746826).

1201320310 is a wasteful number, since it uses less digits than its factorization.

1201320310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93927.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1201320310 is about 34660.0679456922. The cubic root of 1201320310 is about 1063.0481593163.

Adding to 1201320310 its reverse (130231021), we get a palindrome (1331551331).

It can be divided in two parts, 12013 and 20310, that added together give a palindrome (32323).

The spelling of 1201320310 in words is "one billion, two hundred one million, three hundred twenty thousand, three hundred ten".